Finding the Third Proportional to 39,698,512 and 86,459,991
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Solution
The third proportional to 39,698,512 and 86,459,991 is: 188,302,524.88
Step by Step Solution
- Step 1: Write the proportion equation
39,698,512 : 86,459,991 = 86,459,991 : x - Step 2: Convert to fraction form
39,698,512/86,459,991 = 86,459,991/x - Step 3: Cross multiply
39,698,512x = 86,459,991 × 86,459,991 - Step 4: Simplify right side
39,698,512x = 7,475,330,043,720,081 - Step 5: Solve for x
x = 7,475,330,043,720,081/39,698,512 - Step 6: Final answer
x = 188,302,524.88
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.